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Standard X

Chemistry

Types of Salts

A solution is...

Question

A solution is 500 mL of 2 M $K O H$ is added to 500 mL of 2 M $H C l$ and the mixture is well shaken. The rise in temperature $T_{1}$ is noted. The experiment is then repeated using 250 mL of each solution and rise in temperature $T_{2}$ is again noted. Assume all heat is taken by the solution.

T_{1} = T_{2}

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T_{1}

is 2 times as large as

T_{2}

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T_{2}

is twice of

T_{1}

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T_{1}

is 4 times as large as

T_{2}

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Solution

The correct option is D $T_{1} = T_{2}$
$K O H + H C l ⟶ K C l + H_{2} O$
$Q_{t}$ = Total weight $\times$ Raise in $T$
$Q_{1}$ = $1000 \times T_{1}$
$Q_{2} = 500 \times T_{2}$
$Q_{1} = 2 Q_{2}$
$1000 T_{1} = 2 \times 500 T_{2} \Rightarrow T_{1} = T_{2}$

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Similar questions

Q. A solution is 500 mL of 2 M KOH is added to 500 mL of 2 M HCl and the mixture is well shaken. The rise in temperature

T_{1}

is noted. The experiment is then repeated using 250 mL of each solution and rise in temperatue

T_{2}

is again noted. Assume all heat is taken by the solution

500

mL of

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M KOH is added to

500

mL of

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M HCl and the mixture is well shaken. The rise in temperature

T_{1}

is noted. The experiment is then repeated using

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mL of each solution and rise in temperature

T_{2}

is again noted. Assume all heat is taken by, then which of the following is true?

Q. A solution of 200 mL of 1

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KOH is added to 200 mL of 1

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T_{1}

is noted. The experiment is repeated by using 100 mL of each solution and increase in temperature

T_{2}

is again noted. Which of the following is correct?

Q. A solution of 200 ml of 1M KOH is added to 200 ml of 1M HCl and the mixture is shaken well. The rise in temperature

T_{1}

is noted. The experiment is repeated by using 100 ml each solution and increase in temperature

T_{2}

is again noted. Which of the following is correct ?

Q. A solution of

500

ml of

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is mixed with

500

ml of

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H C l

. It is stirred and the rise in temperature

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is recorded. The experiment is repeated using

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ml of each solution and the rise in temperature

T_{2}

is recorded. Now, choose the correct relation between

T_{1}

and

T_{2}

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A solution is 500 mL of 2 M KOH is added to 500 mL of 2 M HCl and the mixture is well shaken. The rise in temperature T1 is noted. The experiment is then repeated using 250 mL of each solution and rise in temperature T2 is again noted. Assume all heat is taken by the solution.

The correct option is D T1=T2KOH+HCl⟶KCl+H2OQt= Total weight× Raise in TQ1=1000×T1Q2=500×T2Q1=2Q21000T1=2×500T2⇒T1=T2

A solution is 500 mL of 2 M $K O H$ is added to 500 mL of 2 M $H C l$ and the mixture is well shaken. The rise in temperature $T_{1}$ is noted. The experiment is then repeated using 250 mL of each solution and rise in temperature $T_{2}$ is again noted. Assume all heat is taken by the solution.

The correct option is D $T_{1} = T_{2}$
$K O H + H C l ⟶ K C l + H_{2} O$
$Q_{t}$ = Total weight $\times$ Raise in $T$
$Q_{1}$ = $1000 \times T_{1}$
$Q_{2} = 500 \times T_{2}$
$Q_{1} = 2 Q_{2}$
$1000 T_{1} = 2 \times 500 T_{2} \Rightarrow T_{1} = T_{2}$